Model comparison
Inkling vs MiMo-V2.5
Inkling and MiMo-V2.5 score almost the same on the Noometry Index (44.1 vs 43.4), so choose on price, context window or the category you care about most.
Last verified . 22 shared benchmarks.
Summary
- They share 22 benchmarks with published results for both. Inkling scores higher in 4 categories and MiMo-V2.5 in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.1 to 40.8.
- The biggest single-benchmark swing is ProofBench: 0% for Inkling and 16% for MiMo-V2.5.
- MiMo-V2.5 is cheaper at $0.14 / $0.28 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 66K.
Side by side
| Inkling | MiMo-V2.5 | |
|---|---|---|
| Provider | Thinking Machines Lab | Xiaomi |
| Noometry Index | 44.1 | 43.4 |
| Released | 2026-07-15 | 2026-04-22 |
| Weights | Open | Open |
| Context window | 66K | 1.05M |
| Max output | 66K | 131K |
| Input $ / M tokens | $1.87 | $0.14 |
| Output $ / M tokens | $4.68 | $0.28 |
| Results tracked | 41 | 23 |
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Category by category
Coding MiMo-V2.5 leads
Inkling: 34.5 (#234), MiMo-V2.5: 43.9 (#81)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena WebDev | 1413 | 1438 |
| SciCode | 47% | 43.1% |
| LMArena Coding | 1464 | 1469 |
| ALE-Bench | 946 | 513.95 |
| FrontierCode | 14% | — |
| FrontierSWE | 4.1% | — |
| WeirdML | 32.3% | — |
Agentic & Tool Use Not comparable
Inkling: 29.6 (#85), MiMo-V2.5: —
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| APEX-Agents | 33.8% | — |
| τ²-bench Banking | 25% | — |
Reasoning Inkling leads
Inkling: 40.4 (#56), MiMo-V2.5: 28.6 (#101)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| CritPt | 5.4% | 3.7% |
| LMArena Hard Prompts | 1451 | 1450 |
| ARC-AGI-2 | 36.5% | — |
| SimpleBench | 50% | — |
| ARC-AGI-1 | 79.5% | — |
| Chess Puzzles | 21% | — |
| DTBench | 87.5% | — |
| LMCA | 37.6% | — |
| Epoch Capabilities Index | 148.54 | — |
Math MiMo-V2.5 leads
Inkling: 31.3 (#225), MiMo-V2.5: 36.8 (#163)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| ProofBench | 0% | 16% |
| LMArena Math | 1479 | 1436 |
| FrontierMath (Tiers 1-3) | 33.3% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
Knowledge Inkling leads
Inkling: 55.1 (#49), MiMo-V2.5: 40.8 (#115)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1465 | 1460 |
| GPQA Diamond | 88.3% | — |
| SimpleQA Verified | 40.3% | — |
Multimodal Not comparable
Inkling: —, MiMo-V2.5: 39.8 (#54)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1247 |
Multilingual Inkling leads
Inkling: 54.0 (#52), MiMo-V2.5: 51.9 (#99)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1434 | 1404 |
| LMArena Chinese | 1490 | 1468 |
| LMArena French | 1458 | 1447 |
| LMArena German | 1446 | 1421 |
| LMArena Japanese | 1429 | 1306 |
| LMArena Korean | 1404 | 1363 |
| LMArena Russian | 1429 | 1395 |
| LMArena Spanish | 1448 | 1416 |
Instruction Following Too close to call
Inkling: 75.1 (#71), MiMo-V2.5: 75.5 (#60)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1426 | 1434 |
Long Context Too close to call
Inkling: 43.8 (#86), MiMo-V2.5: 44.2 (#73)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1434 | 1445 |
Writing & Preference Inkling leads
Inkling: 65.2 (#51), MiMo-V2.5: 61.6 (#86)
| Benchmark | Inkling | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1441 | 1428 |
| LMArena Creative Writing | 1387 | 1393 |
| LMArena Multi-Turn | 1436 | 1445 |
| EQ-Bench Creative Writing | 1611 | — |
| EQ-Bench 4 | 1226 | — |
Frequently asked questions
Is Inkling better than MiMo-V2.5?
Inkling and MiMo-V2.5 score almost the same on the Noometry Index (44.1 vs 43.4), so choose on price, context window or the category you care about most.
Which is cheaper, Inkling or MiMo-V2.5?
MiMo-V2.5 is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Inkling lists at $1.87 and $4.68.
Is Inkling or MiMo-V2.5 better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.9 versus 34.5 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5 does, with 1.05M tokens against 66K.
How many benchmarks do Inkling and MiMo-V2.5 share?
22 benchmarks have published results for both models. Inkling has 41 scored results on Noometry and MiMo-V2.5 has 23.